ua-tracer
by Paul Kinlan
trace qZMxKa5z
what does a user agent actually fetch, follow & run?
Trace qZMxKa5z
First seen: 2026-09-10 07:30:30.890 UTC
User-Agent: Mozilla/5.0 (Linux; Android 7.0;) AppleWebKit/537.36 (HTML, like Gecko) Mobile Safari/537.36 (compatible; PetalBot;+https://webmaster.petalsearch.com/site/petalbot)
Bot verification: Not a known bot (no IP-range check applies).
What this user agent did
Directly-referenced assets:
✗ fetched CSS
✗ fetched JS
✗ fetched image
✗ fetched font (HTML)
Document-level link hints:
✗ fetched favicon
✗ fetched apple-touch-icon
✗ fetched web manifest
✗ fetched preload
✗ fetched prefetch
Second-level follows (proves it parsed the linking file):
✗ followed CSS background-image
✗ followed CSS @font-face
✗ followed manifest icon
✗ followed CSS @import
Frames (does it descend into iframes?):
✓ fetched iframe document
✗ descended into iframe (loaded inner image)
Reporting (a report-only CSP is violated by inline styles; reports can arrive via HTTP headers with no JS, or via in-page beacons):
✗ sent a CSP/Reporting report (any path)
✗ delivered via report-uri/Report-To header (no JS)
✗ delivered via in-page beacon (securitypolicyviolation / ReportingObserver)
Social embed (Open Graph / Twitter card images):
✗ fetched og:image
✓ fetched twitter:image
JavaScript execution:
✗ EXECUTED classic JS
✗ EXECUTED ES module
✗ posted client timing
Server-side request waterfall
Every request the server received for this trace, in receive order. +ms is the delta from the
homepage request.
| Received | Δ | Kind | Method | User-Agent |
|---|---|---|---|---|
| 2026-09-10 07:30:30.890 UTC | +0 ms | homepage | GET | Mozilla/5.0 (Linux; Android 7.0;) AppleWebKit/537.36 (HTML, like Gecko) Mobile Safari/537.36 (compatible; PetalBot;+https://webmaster.petalsearch.com/site/petalbot) |
request headers (10){
"accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en",
"connection": "close",
"host": "uatracer.com",
"referer": "https://uatracer.com/traces?ua=Polon/1.0%2B%28%2Brobots%29",
"traceparent": "00-b5bf2b39270fc78523503a8aaae0a8a3-5158aa18845e182a-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (Linux; Android 7.0;) AppleWebKit/537.36 (HTML, like Gecko) Mobile Safari/537.36 (compatible; PetalBot;+https://webmaster.petalsearch.com/site/petalbot)",
"via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
|
||||
| 2026-09-12 06:12:33.322 UTC | +168122432 ms | Twitter card image | GET | Mozilla/5.0 (Linux; Android 7.0;) AppleWebKit/537.36 (HTML, like Gecko) Mobile Safari/537.36 (compatible; PetalBot;+https://webmaster.petalsearch.com/site/petalbot) |
request headers (12){
"accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en",
"connection": "close",
"host": "uatracer.com",
"referer": "https://uatracer.com/",
"traceparent": "00-06f3cfd8d4d0646431917fea29807dc1-c3997dc0b80a326a-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (Linux; Android 7.0;) AppleWebKit/537.36 (HTML, like Gecko) Mobile Safari/537.36 (compatible; PetalBot;+https://webmaster.petalsearch.com/site/petalbot)",
"via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-06f3cfd8d4d0646431917fea29807dc1-70818ed1f0be1f93-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-09-14 13:14:19.583 UTC | +366228693 ms | iframe document | GET | Mozilla/5.0 (Linux; Android 7.0;) AppleWebKit/537.36 (HTML, like Gecko) Mobile Safari/537.36 (compatible; PetalBot;+https://webmaster.petalsearch.com/site/petalbot) |
request headers (10){
"accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en",
"connection": "close",
"host": "uatracer.com",
"referer": "https://uatracer.com/",
"traceparent": "00-e65c0268e1f25abd9009ae491eaee83c-70f0df60a7cab8f0-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (Linux; Android 7.0;) AppleWebKit/537.36 (HTML, like Gecko) Mobile Safari/537.36 (compatible; PetalBot;+https://webmaster.petalsearch.com/site/petalbot)",
"via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
|
||||
| 2026-09-22 23:31:05.847 UTC | +1094434957 ms | iframe document | GET | Mozilla/5.0 (Linux; Android 7.0;) AppleWebKit/537.36 (HTML, like Gecko) Mobile Safari/537.36 (compatible; PetalBot;+https://webmaster.petalsearch.com/site/petalbot) |
request headers (10){
"accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en",
"connection": "close",
"host": "uatracer.com",
"referer": "https://uatracer.com/",
"traceparent": "00-9344715bc75f9ba9d5389725f3ffd9ef-ad5fabbff4568835-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (Linux; Android 7.0;) AppleWebKit/537.36 (HTML, like Gecko) Mobile Safari/537.36 (compatible; PetalBot;+https://webmaster.petalsearch.com/site/petalbot)",
"via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
|
||||
| 2026-09-24 00:27:47.956 UTC | +1184237066 ms | iframe document | GET | Mozilla/5.0 (Linux; Android 7.0;) AppleWebKit/537.36 (HTML, like Gecko) Mobile Safari/537.36 (compatible; PetalBot;+https://webmaster.petalsearch.com/site/petalbot) |
request headers (10){
"accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en",
"connection": "close",
"host": "uatracer.com",
"referer": "https://uatracer.com/",
"traceparent": "00-e4b206be30a23591ef655ecd8ad7772f-ff7df28917bc2647-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (Linux; Android 7.0;) AppleWebKit/537.36 (HTML, like Gecko) Mobile Safari/537.36 (compatible; PetalBot;+https://webmaster.petalsearch.com/site/petalbot)",
"via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
|
||||